Frankly, these simply won't help when you have to measure something that has an irregular shape, curves, or awkward corners. In that case, you can use a shoelace for the task. While that might sound a ...
[Pentland_Designs] has the answer with his shoelace locks. The design is his take on the classic plastic clip found on backpacks and jackets. [Pentland_Designs] has added a twist though — a ...